WHO Guideline on the Use of GLP-1 Medicines

3 Dec 2025

WHO Guideline on the Use of GLP-1 Medicines

The World Health Organization (WHO) has released its first-ever guidelines for using GLP-1 weight-loss drugs as part of a global strategy to combat the escalating obesity crisis, calling obesity a “chronic disease requiring lifetime care.”

  • WHO also proposed manufacturing of generic versions of the drugs, pre-qualification to allow international organisations to purchase these medicines for various countries.

  • WHO defines obesity as having a Body Mass Index (BMI) of 30 or higher in adults.
    • BMI is a number calculated from weight and height. (BMI = weight (kg) / height (m²))
  • Obesity increases the risk of Type-2 diabetes, cardiovascular diseases, hypertension, and other chronic conditions.
  • Global Trends: Over 1 billion people currently live with obesity, including 188 million children and adolescents.
  • 24% of women and 23% of men in India are overweight or obese (NFHS-5)

Key Guidelines Issued by WHO

  • Conditional Endorsement for Adults: GLP-1 therapies may be used by adults (excluding pregnant women) for long-term obesity management, due to clear evidence of weight-loss and metabolic benefits.
  • Integrated Treatment Approach: WHO stresses that GLP-1 drugs must be paired with intensive behavioural interventions, including diet modification and physical activity programmes, as part of comprehensive care.
  • Equitable Access as a Priority: WHO cautions that rapid uptake without policies on pricing, access, and supply systems may increase global health inequalities.
    • Even with accelerated manufacturing, GLP-1 drugs will reach less than 10% of potential beneficiaries by 2030.

About GLP-1 Medicines

  • GLP-1 receptor agonists are class of medications first developed for type-2 diabetes that mimic the natural hormone Glucagon-Like Peptide-1, which regulates appetite, satiety, and insulin function.
  • They are already included in the WHO Essential Medicines List for diabetes management.
    • High costs, limited production capacity, and supply-chain were regarded as major barriers to universal access to these therapies. 
  • How They Work:
    • They enhance insulin release and reduce blood glucose levels.
    • These drugs reduce appetite and slow stomach emptying, leading to lower calorie intake.
    • They improve metabolic markers, lowering the risk of heart disease and kidney complications.
    • Long-term use results in significant and sustained weight loss.
  • Applications:
    • Type 2 Diabetes: To improve blood glucose control.
    • Obesity & Weight Loss: Increasingly used due to strong appetite-suppressing effects.
    • Cardiovascular Benefits: Some GLP-1 drugs reduce risk of heart attack and stroke in high-risk diabetics.

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Current Status

  • At present, there are 12 GLP-1 therapies approved for the treatment of obesity or Type-2 diabetes.
  • Another 40 agents are in active development for various indications and in different formulations, according to the WHO.

 

WHO Guideline on the Use of GLP-1 Medicines

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UDAAN PRELIMS WALLAH
Comprehensive coverage with a concise format
Integration of PYQ within the booklet
Designed as per recent trends of Prelims questions
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